Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
barn
←
Old English
bearn
(mention)
←
Proto-Germanic
*barną
(inherited)
←
Proto-West Germanic
*barn
(inherited)
←
Old High German
barn
(mention)
←
Proto-Indo-European
*bʰer-
(root)
←
Swedish
barn
(mention)
→
Old English
bearn
(cognate)
→
Old Saxon
eldibarn
(compound)
→
Swedish
barn
(cognate)